biden and judgment knee paul ryan preparing for their face-off in kentucky. the vice -- and nominee paul ryan preparing for their face- off in kentucky. the vice president is known for his debating background. >> reporter: ryan was 3 years old when biden first game a u.s. senator. >> he's been doing this for 40 years. what i hope to get out of this debate is to present people with a very clear choice. >> reporter: ryan is trying to downplay expectations, but a new poll show more voters believe he'll do better than biden thursday night. susan mcguiness, cbs news, danville, kentucky. >>> do you like your spuds? so do the potato farmers in idaho. they planted nearly 350,000 acres of them which is 8% more than last year. that's good for you, maybe not so good for the farmers because larger supply could mean the price goes down which again is good for you, not so good for them. >> baked poe take toffees are never really -- potatoes are never really expensive and they're good with little bits of bacon. >>> on this date in 1979 we recorded our earliest measurable sn